1:48 T-1 Jayhawk and T-6 Texan II

Our model club, the Enid Scale Modelers in Enid, OK, is creating a diorama containing the planes that have flown out of Vance Air Force Base here in Enid since its inception in 1941. The diorama will be part of one of our local museum's temporary displays beginning next spring. We've located all of the models (1:48 scale as required by the museum) except for the T-6 Texan II and the T-1 Jayhawk, the most current planes flying at the base. We have exhausted all the obvious places to look (eBay, Amazon, various on-line ordering sites, our one local hobby shop, etc.) and are wondering if anyone has any other suggestions of places to contact or people to talk to about these two aircraft models. Thanks for any help provided, and thank you for this great forum!